Hi, I can't figure out this question in excel, can someone please show me the excel formulas to input in order to solve for part A and B please!!!!

1. The following table contains closing monthly stock prices for Oracle Corporation (ORCL), Microsoft Corporation (MSFT), and NVidia (NVDA) for the first half of 2017.

Ticker	6/30/2017	5/31/2017	4/30/2017	3/31/2017	2/28/2017	1/31/2017
ORCL	50.14	45.39	44.96	44.61	42.59	40.11
MSFT	68.93	69.84	68.46	65.86	63.98	64.65
NVDA	144.56	144.35	104.3	108.93	101.48	109.18

1. Create a formula to calculate the monthly rate of return during the first semester of 2017 and for each company. Format the results as percentages with two decimal places.
2. Calculate the total return for the entire holding period, the compound average monthly rate of return, the average monthly rate of return using the AVERAGE function, and the average monthly rate of return using the GEOMEAN function.